@value("${mqtt.host}")是什么意思
@value("${mqtt.host}")是Spring框架中用于读取配置文件中属性值的注解。它的作用是将配置文件中的 "mqtt.host" 属性的值注入到对应的变量中。 [2024-04-29 15:50:51 | AI写代码神器 | 87点数解答]
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